Clock



FIG. 1 is a top and right front perspective view of a clock showing my new design;

FIG. 2 is a top at right rear perspective view thereof;

FIG. 3 is a top plan view thereof, the bottom, not shown, is plain and unornamented;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a front elevational view thereof; and,

FIG. 7 is a rear elevational view thereof.

The broken line showing of time increment indicia is environmental only and forms no part of the claimed design. 

The ornamental design for a clock, as shown and described. 